Bibliographic Detail

Hara, S. & Takahashi, E. , 1987

Reference:
Hara, S. & Takahashi, E. (1987). An investigation with electron microscope of marine choanoflagellates (Protozoa: Choanoflagellida) from Osaka Bay, Japan. II. Two new genera and a new species of Acanthoecidae. Bulletin of the Plankton Society of Japan 34(1): 15-23.

Abstract:
Campyloacantha n. gen. has characteristic "L" shaped costal strips, which form the anterior spines and the anterior transverse costa. Two species may be included in Campyloacantha n. gen.; C. imbricata n. sp. and C. spinifera n. comb. (= Parvicorbicula spinifera Leadbeater). The general form of the lorica of Amoenoscopa caudata n. gen. & n. sp. resembles that of Polyoeca and Acanthoeca. In Amoenoscopa n. gen., the anterior spines are long and consist of long heavy costal strips. By contrast, the anterior spines of Polyoeca and Acanthoeca comprise both long and short spines, which are made of delicate costal strips. The general form of the lorica of Saroeca paucicostata n. sp. resembles that of S. attenuata. The specific characteristics are as follows: (1) the number of the longitudinal costae is 3-5, as compared to 6-8 in S. attenuata, (2) the number of longitudinal costal strips is 2, compared to 3-4 in S. attenuata, and (3) there are 2 transverse costae while there is 1 in S. attenuata.